Questions tagged [metabolism]
Metabolism is the set of defined biochemical transformations occurring within the cells of living organisms.
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Is there any other sources of hydrogen carriers for the Electron Transport Chain other than the 3 main metabolic pathways?
I am learning about the 4 main metabolic pathways for cellular respiration. I learned that NADH and FADH2 hydrogen carriers are essential in the Electron Transport Chain, because they deposit their ...
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Can heterotrophs use anabolism to obtain energy?
With that question I mean: directly.
Please bear with me, as I don't know much about Biology or Chemistry (those are my main difficulties while studying).
I know that energy that biological beings ...
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quantification of glucose utilization in different metabolic processes
Glucose is commonly associated with ATP production. However, only a small fraction of glucose is utilized this way.
The intermediates of glycolysis, TCA cycle, etc. are precursors to various ...
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May two reactions, that share the same reactant, fire at the same moment?
I'm studying metabolic networks from a bioinformatics point of view, but I guess my question is pretty biological so I thought that maybe here I could get the best answers.
So, as the title says I ...
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What enzyme or bacteria could dissolve plastic?
What enzyme or bacteria could dissolve plastic aside from acetone? Preferably, low-cost and environmentally friendly. Any suggestions would be helpful.
I'm targeting for thin plastic (low-density ...
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Mammal size and capillary wall thickness
How does capillary wall thickness vary with the size of the animal?
Background/context of question:
Of the following, Figure 1 is most consistent with the fact that, in general, smaller mammals have:...
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What would the presence of a hub metabolite in a metabolic pathway signify?
Say I have a metabolic pathway, consisting of multiple metabolites and reactions. On analyzing the pathway I find that among all the metabolite, one metabolite is the hub metabolite (hub metabolite is ...
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Co-dependency between carbohydrates, fats and protein in the mammalian diet?
Following up from the question Are carbohydrates an essential component of human diet? I am interested in knowing more specifically how carbohydrates, fats and proteins are linked in the mammalian ...
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Diffusion coefficients of glucose in mammal tissues?
Where can I find estimates/experimental measurements of the diffusion coefficient of glucose in mammal tissues? Specefically I mean the inter-cellular space. I'm not looking for a specific tissue, so ...
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Is there any evidence to suggest that exercise reduces the side effects of caffeine?
I heard a friend say:
I'm not drinking coffee this week. My body can only process the caffeine if I run at least 15km a week.
I found this claim fascinating - that exercise temporarily increases ...
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Cell energy consumption and food intake
I am wondering if each cell in human body starts consuming ten percent more energy, how much food one has to consume compared to normal intake?
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Is the lac operon repressed in the presence of both glucose and lactose?
In the presence of both sugars (glucose and lactose) will there be repression of the lac operon completely?
I know that more glucose means less cAMP --> less CAP --> less positive regulation, and ...
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What is the minimum caloric intake for a truly starving adult
What is the minimum caloric intake for an adult? I'm not talking about a healthy diet. There's plenty of advice on that. I'm wondering what the absolute limits of H. sapiens are. When there's a ...
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Is it possible to stop more/extra fat from being stored in the body?
I don't mean simply by restricting eating or upping the activities, but a way to basically stop the body from adding more fat on itself down on the bio level. For example, I'm not too knowledgeable on ...
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Is burnt THC still psychoactive?
Asking from a more practical angle. If one smokes a joint - does the THC in the embers contribute to getting high - or is it only the THC released by the heat of the smoke in the not-burning section ...
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